Fluid reaction surfaces (i.e. – impellers) – Sustained ancillary movement of rotary working member – Lead-lag type rotor blade movement
Patent
1997-07-10
1999-09-14
Verdier, Christopher
Fluid reaction surfaces (i.e., impellers)
Sustained ancillary movement of rotary working member
Lead-lag type rotor blade movement
416140, 416134A, B64C 2751
Patent
active
059512512
ABSTRACT:
The locking device comprises, for each blade, at least one first subassembly with a fork for locking a finger, one of the fork and finger pivoting on a chassis attached laterally to the hub between the linking members of two neighboring blades, the other element being fixed to the linking member and projecting laterally towards the other linking member so that the pivoting element can be moved between a position in which it is engaged over the finger for locking the blade at least in terms of pitch, and a disengaged position for unlocking.
REFERENCES:
patent: 2614640 (1952-10-01), Buivid
patent: 3343610 (1967-09-01), Vacca et al.
patent: 4284387 (1981-08-01), Ferris
patent: 4551067 (1985-11-01), Caramaschi et al.
patent: 4915585 (1990-04-01), Guimbal
patent: 5007799 (1991-04-01), Mouille et al.
patent: 5116209 (1992-05-01), Anglade et al.
Leman Jean-Luc Michel
Mondet Jean Joseph Henri
Eurocopter
Verdier Christopher
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